POOLPURE PWK35B spa filter side view shows sturdy build and universal fit.
POOLPURE PWK35B spa filter close-up of filter media highlights trilobal fabric.
POOLPURE PWK35B spa filter top view demonstrates easy open design for maintenance.
POOLPURE PWK35B spa filter outer dimensions show compatibility with Limelight series.
POOLPURE PWK35B spa filter compatibility with Hot Springs and OEM references.
POOLPURE PWK35B spa filter Dirt-Locking technology captures more debris.
POOLPURE PWK35B spa filter tested in athletic environments for reliable filtration.
POOLPURE PWK35B spa filter trilobal fabric designed for easier cleaning.
POOLPURE PWK35B spa filter replacement filter for common spa setups.

POOLPURE

POOLPURE PWK35B Spa Filter 2-Pack – Replaces Hot Springs Limelight Series & Watkins 1642301-1

High-performance patio lawn and garden made for confident daily results

$74.22

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Why customers choose Cera Garden

Overview

Upgrade your spa filtration with the POOLPURE PWK35B Spa Filter. This dependable two-pack replacement is designed to fit Hot Springs Limelight Series spas and a range of compatible models. Each cartridge measures 14 1/8 inches in length with a 6 3/8 inch outer diameter and 2-inch top and bottom openings, delivering a 35 square foot filtration area through trilobal filtration fabric. The combination of precise sizing and high-grade material helps keep your spa water inviting between regular maintenance sessions.

Key specifications

  • Length: 14 1/8"
  • Outer diameter: 6 3/8"
  • Top opening: 2"
  • Bottom opening: 2"
  • Filtration area: 35 sq ft
  • Material: Trilobal filtration fabric

Compatibility and fit

PWK35B is a compatible replacement for Hot Springs Limelight Series spa filters and OEM references such as 1642301-1, 78161, and 78286. As an independent replacement, POOLPURE aims to meet or exceed OEM standards while offering a reliable alternative.

Certifications and trust

  • NSF/ANSI 50 certified quality by IAPMO
  • PHTA member – industry-trusted filtration standards

Performance you may notice

The Dirt-Locking technology captures over three times more debris than standard cartridges, helping your spa water stay clearer between cleanings. The design also supports efficient filtration in real-world spa environments.

Maintenance and care

The trilobal fabric is designed to release impurities during cleaning, making rinsing straightforward and helping the cartridge feel like new longer. For best results, clean once a month. Important: do not backwash, as it may cause cracks or permanent damage.

What you get

  • 2-pack set of PWK35B spa filters
  • White-standard finish compatible with multiple spa configurations

Note: POOLPURE is an independent brand offering compatible replacements engineered to meet OEM standards. All OEM names and part numbers listed are for reference only.

FAQ

Q: What models is the POOLPURE PWK35B compatible with?

A: Compatible with Hot Springs Limelight Series spas and OEM references like 1642301-1, 78161, and 78286, plus equivalents.

Q: How should I care for my PWK35B filter for best results?

A: Rinse monthly with a garden hose, avoid backwashing, and replace per your spa usage to maintain clear water.

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